0f8399ec88
Replace CDN React/ReactDOM/Babel with local libs; remove Babel and inline scripts Build Tailwind locally, add safelist; switch to assets/tailwind.css Self-host Font Awesome and Inter (CSS + woff2); remove external font CDNs Implement strict CSP (no unsafe-inline/eval; scripts/styles/fonts from self) Extract inline handlers; move PWA scripts to external files Add local QR code generation (qrcode lib) and remove api.qrserver.com Improve SessionTypeSelector visual selection (highlighted background and ring) Keep PWA working with service worker and offline assets Refs: CSP hardening, offline-first, no external dependencies
51 lines
1.7 KiB
JavaScript
51 lines
1.7 KiB
JavaScript
/* eslint-disable yoda */
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'use strict';
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const isFullwidthCodePoint = codePoint => {
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if (Number.isNaN(codePoint)) {
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return false;
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}
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// Code points are derived from:
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// http://www.unix.org/Public/UNIDATA/EastAsianWidth.txt
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if (
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codePoint >= 0x1100 && (
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codePoint <= 0x115F || // Hangul Jamo
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codePoint === 0x2329 || // LEFT-POINTING ANGLE BRACKET
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codePoint === 0x232A || // RIGHT-POINTING ANGLE BRACKET
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// CJK Radicals Supplement .. Enclosed CJK Letters and Months
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(0x2E80 <= codePoint && codePoint <= 0x3247 && codePoint !== 0x303F) ||
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// Enclosed CJK Letters and Months .. CJK Unified Ideographs Extension A
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(0x3250 <= codePoint && codePoint <= 0x4DBF) ||
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// CJK Unified Ideographs .. Yi Radicals
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(0x4E00 <= codePoint && codePoint <= 0xA4C6) ||
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// Hangul Jamo Extended-A
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(0xA960 <= codePoint && codePoint <= 0xA97C) ||
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// Hangul Syllables
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(0xAC00 <= codePoint && codePoint <= 0xD7A3) ||
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// CJK Compatibility Ideographs
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(0xF900 <= codePoint && codePoint <= 0xFAFF) ||
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// Vertical Forms
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(0xFE10 <= codePoint && codePoint <= 0xFE19) ||
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// CJK Compatibility Forms .. Small Form Variants
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(0xFE30 <= codePoint && codePoint <= 0xFE6B) ||
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// Halfwidth and Fullwidth Forms
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(0xFF01 <= codePoint && codePoint <= 0xFF60) ||
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(0xFFE0 <= codePoint && codePoint <= 0xFFE6) ||
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// Kana Supplement
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(0x1B000 <= codePoint && codePoint <= 0x1B001) ||
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// Enclosed Ideographic Supplement
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(0x1F200 <= codePoint && codePoint <= 0x1F251) ||
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// CJK Unified Ideographs Extension B .. Tertiary Ideographic Plane
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(0x20000 <= codePoint && codePoint <= 0x3FFFD)
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)
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) {
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return true;
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}
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return false;
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};
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module.exports = isFullwidthCodePoint;
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module.exports.default = isFullwidthCodePoint;
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